[git commit master] buildsys: fix dir order-only prereq of unifdef

[Bernhard Reutner-Fischer]

commit: http://git.uclibc.org/uClibc/commit/?id=9f811c9a0d095f5e91404c7ce2a6c33def2b4a66
branch: http://git.uclibc.org/uClibc/commit/?id=refs/heads/master

|$(@D) -> zilch, so spell it out

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop at gmail.com>
---
 Makefile.in |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/Makefile.in b/Makefile.in
index 5382820..6ac107d 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -193,7 +193,8 @@ install: install_runtime install_dev
 
 RUNTIME_PREFIX_LIB_FROM_DEVEL_PREFIX_LIB=$(shell $(top_srcdir)extra/scripts/relative_path.sh $(DEVEL_PREFIX)$(MULTILIB_DIR) $(RUNTIME_PREFIX)$(MULTILIB_DIR))
 
-$(top_builddir)extra/scripts/unifdef: $(top_srcdir)extra/scripts/unifdef.c|$(@D)
+$(top_builddir)extra/scripts/unifdef: |$(top_builddir)extra/scripts
+$(top_builddir)extra/scripts/unifdef: $(top_srcdir)extra/scripts/unifdef.c
 	$(hcompile.u)
 
 # Installs header files.
-- 
1.6.3.3